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Patch series "mm/rmap: convert page_move_anon_rmap() to folio_move_anon_rmap()". Convert page_move_anon_rmap() to folio_move_anon_rmap(), letting the callers handle PageAnonExclusive. I'm including cleanup patch #3 because it fits into the picture and can be done cleaner by the conversion. This patch (of 3): Let's move it into the caller: there is a difference between whether an anon folio can only be mapped by one process (e.g., into one VMA), and whether it is truly exclusive (e.g., no references -- including GUP -- from other processes). Further, for large folios the page might not actually be pointing at the head page of the folio, so it better be handled in the caller. This is a preparation for converting page_move_anon_rmap() to consume a folio. Link: https://lkml.kernel.org/r/20231002142949.235104-1-david@redhat.com Link: https://lkml.kernel.org/r/20231002142949.235104-2-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Suren Baghdasaryan <surenb@google.com> Reviewed-by: Vishal Moola (Oracle) <vishal.moola@gmail.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Muchun Song <muchun.song@linux.dev> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.